|closed circuit security system||1.73||0.9||7629||21|
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surveillance system - a closed-circuit television system used to maintain close observation of a person or group. television system, television - a telecommunication system that transmits images of objects (stationary or moving) between distant points.What is a closed circuit TV monitoring system?
CCTV (closed-circuit television) is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes. CCTV relies on strategic placement of cameras, and observation of the camera's input on monitors somewhere.What is wireless security system?
Wireless security is the prevention of unauthorized access or damage to computers using wireless networks. The most common types of wireless security are Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA). WEP is a notoriously weak security standard.